At least 30 people have been shot across Chicago this weekend, four of them fatally, officials said.

The weekend’s first fatal shooting took place around 1:45 p.m. Friday in the 1900 block of West Howard Street in the city’s Rogers Park neighborhood when an 18-year-old man was found with gunshot wounds to his torso and back, police said.

Seven Shot in South Shore Neighborhood

Police responded to the scene after receiving reports of shots fired in the area and found the teen unresponsive.

Six Shot Outside South Shore Laundromat

Six people were transported to Chicago-area hospitals Monday evening following a shooting at or near a coin laundry business on the city's south side. NBC Chicago's Lauren Petty reports for the NBC 5 NEWS TODAY on June 3, 2014. (Published Tuesday, Jun 3, 2014)

He was transported to Presence St. Francis Hospital in Evanston where he was pronounced dead, according to the Cook County Medical Examiner’s office. He was later identified as 18-year-old Alante Vallejo, officials said.

A second person was also injured in the shooting, police said.

A 20-year-old man suffered a wound to his foot and took himself to Evanston Hospital in good condition, police said.

The 18-year-old man was unresponsive at the scene and pronounced dead and the 20-year-old man was taken in critical condition to John H. Stroger Jr. Hospital of Cook County.

The medical examiner’s office later identified the 18-year-old victim as Brian Weekly.

The latest fatal shooting took place just before 9:30 p.m. Saturday.

A 35-year-old man was found with multiple gunshot wounds in the 4600 block of West Jackson Boulevard. The man, who was unresponsive at the scene, was taken to Loretto Hospital where he was pronounced dead, according to Chicago Police News Affairs Officer Jose Estrada.

Around 1:10 p.m., police said a 27-year-old man was shot in the 400 block of North Leamington Avenue. The man suffered two wounds to the right hand and was taken to West Suburban Medical Center in stable condition.

Just before 1 a.m. Sunday, a 21-year-old man was shot in the leg while walking in the 9000 block of South Harvard Avenue. The man was taken to Little Company of Mary Hospital in good condition.

Just before midnight Saturday, a 27-year-old man was shot in the 5100 block of South Wood Street. The man was walking on the block when a black vehicle pulled alongside him and someone in the vehicle opened fire, police said. The man was shot in the leg and suffered a graze wound to the neck. He was taken to Stroger Hospital in good condition.

Around 11 p.m. Saturday, two 19-year-old men were shot in the 5100 block of West Gladys Avenue. The two were standing on the street when two men approached them and one opened fire. One teen suffered multiple gunshot wounds to the body and was taken to Stroger Hospital in stable condition. The other teen was shot in the left leg and taken in stable condition to Mount Sinai Hospital. The offenders fled the scene on foot and no one was in custody as of Sunday morning.

Around 4:40 p.m. two men were seriously wounded in a shooting in the 500 block of North Avers Avenue. The two were sitting in a vehicle at a stoplight when they heard shots and felt pain, police said. A 33-year-old man was shot in the back and taken to Stroger Hospital in serious condition and a 21-year-old man was shot in the thigh and taken in serious condition to Mount Sinai hospital.

Just before 4:30 p.m., a 28-year-old man was shot in the chest and arm in an apparent drive-by in the 400 block of South Homan Avenue. The man was taken to Mount Sinai Hospital for treatment. Police did not have a vehicle description following the shooting.